var body = document.getElementsByTagName('body')[0];
body.style.display = 'none';
var cdn_bootstrap_css = '//uwm-universalmenu.googlecode.com/git/bootstrap.min.css';
var cdn_fontawesome_css = '//uwm-universalmenu.googlecode.com/git/font-awesome.min.css';
var cdn_app_css = '//uwm-universalmenu.googlecode.com/git/app.css';
Modernizr.load({load:[cdn_bootstrap_css,cdn_fontawesome_css,cdn_app_css],complete:function(){body.style.display='block'}});